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Table 1 Comparison of physical and chemical properties of butanol, ethanol, and gasoline [13]

From: Genetic engineering of non-native hosts for 1-butanol production and its challenges: a review

Property Butanol Ethanol Gasoline
Density at 15 °C (kg m−3) 810 795 750
Vapour pressure by Reida (kPa) 18.6 16.5 75
Water solubility (mL 100 mL−1) 9.1 Miscible < 0.01
Oxygen content (% vol) 21.6 34.7 < 2.7
Octane number 96 108 95
Calorific value (MJ kg−1) 32.5 26.4 43.3